EP 2772512 B1 20230111 - RUBBER COMPOSITION AND PREPARATION METHOD AND VULCANIZED RUBBER THEREOF
Title (en)
RUBBER COMPOSITION AND PREPARATION METHOD AND VULCANIZED RUBBER THEREOF
Title (de)
KAUTSCHUKZUSAMMENSETZUNG SOWIE HERSTELLUNGSVERFAHREN DAFÜR UND VULKANISIERTER KAUTSCHUK DARAUS
Title (fr)
COMPOSITION DE CAOUTCHOUC ET SON PROCÉDÉ DE PRÉPARATION ET CAOUTCHOUC VULCANISÉ FORMÉ À PARTIR DE CELLE-CI
Publication
Application
Priority
- CN 201110330407 A 20111026
- CN 201210402963 A 20121022
- CN 201210402962 A 20121022
- CN 2012083590 W 20121026
Abstract (en)
[origin: EP2772512A1] The present application relates to a rubber composition, preparation method and vulcanized rubber thereof. The rubber composition comprises uncrosslinked rubber and rubber particles having crosslinked structure dispersed therein, wherein the rubber particles having crosslinked structure are synthetic rubber particles and/or natural rubber particles, e.g. one or more selected from the group consisting of natural rubber particles, styrene-butadiene rubber particles, carboxylated styrene-butadiene rubber particles, nitrile butadiene rubber particles, carboxylated nitrile butadiene rubber particles, chloroprene rubber particles, polybutadiene rubber particles, silicone rubber particles or acrylic rubber particles, styrene-butadiene-vinylpyridine rubber particles and the like, with an average particle size of 20 to 500 nm and a gel content of 60% by weight or higher, and the uncrosslinked rubber is styrene-butadiene rubber, and wherein the weight ratio of the rubber particles having crosslinked structure to the uncrosslinked rubber is 1:99-20:80. The rubber composition is obtained by mixing the components comprising uncrosslinked rubber latex and latex of rubber particles having crosslinked structure and then coagulating them. The latex of rubber particles having crosslinked structure is a rubber latex after radiation crosslinking. The vulcanized rubber of the rubber composition can be improved simultaneously in rolling resistance, wet skid resistance and wear resistance and thus can be used as high performance vehicle tread rubber.
IPC 8 full level
C08L 9/06 (2006.01); C08J 3/24 (2006.01); C08J 3/26 (2006.01); C08J 3/28 (2006.01); C08L 7/00 (2006.01); C08L 9/08 (2006.01); C08L 21/00 (2006.01); C08L 21/02 (2006.01); B60C 1/00 (2006.01); C08J 3/00 (2006.01); C08L 23/22 (2006.01)
CPC (source: EP KR RU US)
B60C 1/0016 (2013.01 - EP RU US); C08J 3/005 (2013.01 - KR RU US); C08J 3/26 (2013.01 - KR RU US); C08J 3/28 (2013.01 - EP KR RU US); C08L 7/00 (2013.01 - EP KR US); C08L 9/06 (2013.01 - EP KR RU US); C08L 9/08 (2013.01 - RU US); C08L 21/00 (2013.01 - EP KR US); C08L 23/22 (2013.01 - EP KR RU US); C08J 2309/00 (2013.01 - EP KR RU US); C08J 2309/06 (2013.01 - EP RU US); C08J 2309/08 (2013.01 - RU US); C08J 2321/00 (2013.01 - EP RU US); C08J 2409/04 (2013.01 - KR RU US); C08L 2205/02 (2013.01 - KR RU US); C08L 2205/22 (2013.01 - EP US); C08L 2312/06 (2013.01 - EP KR US); C08L 2555/22 (2013.01 - EP RU US); Y02T 10/86 (2013.01 - US)
Citation (examination)
EP 2676994 B1 20180103 - JSR CORP [JP]
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
EP 2772512 A1 20140903; EP 2772512 A4 20150916; EP 2772512 B1 20230111; CA 2853513 A1 20130502; CA 2853513 C 20180619; ES 2940461 T3 20230508; JP 2014530941 A 20141120; JP 6084623 B2 20170222; KR 101748600 B1 20170620; KR 20140084168 A 20140704; PL 2772512 T3 20230502; RU 2014121110 A 20151210; RU 2607581 C2 20170110; SG 11201401847U A 20140926; TW 201326315 A 20130701; TW I546343 B 20160821; US 2015105490 A1 20150416; US 9453122 B2 20160927; WO 2013060290 A1 20130502
DOCDB simple family (application)
EP 12843797 A 20121026; CA 2853513 A 20121026; CN 2012083590 W 20121026; ES 12843797 T 20121026; JP 2014537482 A 20121026; KR 20147012677 A 20121026; PL 12843797 T 20121026; RU 2014121110 A 20121026; SG 11201401847U A 20121026; TW 101139749 A 20121026; US 201214354222 A 20121026